blob: bb7f11bcc8a94f5036cfc7d2713cdd59c3bf5fb0 [file] [log] [blame]
wdenk42d1f032003-10-15 23:53:47 +00001/*
wdenk97d80fc2004-06-09 00:34:46 +00002 * Copyright 2004 Freescale Semiconductor.
wdenk42d1f032003-10-15 23:53:47 +00003 * (C) Copyright 2003,Motorola Inc.
4 * Xianghua Xiao, (X.Xiao@motorola.com)
5 *
6 * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
7 *
8 * See file CREDITS for list of people who contributed to this
9 * project.
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 * MA 02111-1307 USA
25 */
26
27
wdenk42d1f032003-10-15 23:53:47 +000028#include <common.h>
wdenk9aea9532004-08-01 23:02:45 +000029#include <pci.h>
wdenk42d1f032003-10-15 23:53:47 +000030#include <asm/processor.h>
31#include <asm/immap_85xx.h>
32#include <ioports.h>
33#include <spd.h>
34#include <miiphy.h>
Kumar Gala5ce71582007-11-28 22:40:31 -060035#include <libfdt.h>
36#include <fdt_support.h>
Jon Loeligerf5012822006-10-20 15:54:34 -050037
Jon Loeligerd9b94f22005-07-25 14:05:07 -050038#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
wdenk0ac6f8b2004-07-09 23:27:13 +000039extern void ddr_enable_ecc(unsigned int dram_size);
40#endif
41
42extern long int spd_sdram(void);
43
wdenk9aea9532004-08-01 23:02:45 +000044void local_bus_init(void);
wdenk0ac6f8b2004-07-09 23:27:13 +000045void sdram_init(void);
46long int fixed_sdram(void);
47
wdenk42d1f032003-10-15 23:53:47 +000048
49/*
50 * I/O Port configuration table
51 *
52 * if conf is 1, then that port pin will be configured at boot time
53 * according to the five values podr/pdir/ppar/psor/pdat for that entry
54 */
55
56const iop_conf_t iop_conf_tab[4][32] = {
57
58 /* Port A configuration */
59 { /* conf ppar psor pdir podr pdat */
60 /* PA31 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxENB */
61 /* PA30 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 TxClav */
62 /* PA29 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 TxSOC */
63 /* PA28 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 RxENB */
64 /* PA27 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxSOC */
65 /* PA26 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 RxClav */
66 /* PA25 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[0] */
67 /* PA24 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[1] */
68 /* PA23 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[2] */
69 /* PA22 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[3] */
70 /* PA21 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[4] */
71 /* PA20 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[5] */
72 /* PA19 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[6] */
73 /* PA18 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXD[7] */
74 /* PA17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[7] */
75 /* PA16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[6] */
76 /* PA15 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[5] */
77 /* PA14 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[4] */
78 /* PA13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[3] */
79 /* PA12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[2] */
80 /* PA11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[1] */
81 /* PA10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXD[0] */
82 /* PA9 */ { 0, 1, 1, 1, 0, 0 }, /* FCC1 L1TXD */
83 /* PA8 */ { 0, 1, 1, 0, 0, 0 }, /* FCC1 L1RXD */
84 /* PA7 */ { 0, 0, 0, 1, 0, 0 }, /* PA7 */
85 /* PA6 */ { 0, 1, 1, 1, 0, 0 }, /* TDM A1 L1RSYNC */
86 /* PA5 */ { 0, 0, 0, 1, 0, 0 }, /* PA5 */
87 /* PA4 */ { 0, 0, 0, 1, 0, 0 }, /* PA4 */
88 /* PA3 */ { 0, 0, 0, 1, 0, 0 }, /* PA3 */
89 /* PA2 */ { 0, 0, 0, 1, 0, 0 }, /* PA2 */
90 /* PA1 */ { 1, 0, 0, 0, 0, 0 }, /* FREERUN */
91 /* PA0 */ { 0, 0, 0, 1, 0, 0 } /* PA0 */
92 },
93
94 /* Port B configuration */
95 { /* conf ppar psor pdir podr pdat */
96 /* PB31 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TX_ER */
97 /* PB30 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_DV */
98 /* PB29 */ { 1, 1, 1, 1, 0, 0 }, /* FCC2 MII TX_EN */
99 /* PB28 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_ER */
100 /* PB27 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII COL */
101 /* PB26 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII CRS */
102 /* PB25 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[3] */
103 /* PB24 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[2] */
104 /* PB23 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[1] */
105 /* PB22 */ { 1, 1, 0, 1, 0, 0 }, /* FCC2 MII TxD[0] */
106 /* PB21 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[0] */
107 /* PB20 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[1] */
108 /* PB19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[2] */
109 /* PB18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RxD[3] */
110 /* PB17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_DIV */
111 /* PB16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RX_ERR */
112 /* PB15 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_ERR */
113 /* PB14 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TX_EN */
114 /* PB13 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:COL */
115 /* PB12 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:CRS */
116 /* PB11 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
117 /* PB10 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
118 /* PB9 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
119 /* PB8 */ { 0, 1, 0, 0, 0, 0 }, /* FCC3:RXD */
120 /* PB7 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
121 /* PB6 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
122 /* PB5 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
123 /* PB4 */ { 0, 1, 0, 1, 0, 0 }, /* FCC3:TXD */
124 /* PB3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
125 /* PB2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
126 /* PB1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
127 /* PB0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
128 },
129
130 /* Port C */
131 { /* conf ppar psor pdir podr pdat */
132 /* PC31 */ { 0, 0, 0, 1, 0, 0 }, /* PC31 */
133 /* PC30 */ { 0, 0, 0, 1, 0, 0 }, /* PC30 */
134 /* PC29 */ { 0, 1, 1, 0, 0, 0 }, /* SCC1 EN *CLSN */
135 /* PC28 */ { 0, 0, 0, 1, 0, 0 }, /* PC28 */
136 /* PC27 */ { 0, 0, 0, 1, 0, 0 }, /* UART Clock in */
137 /* PC26 */ { 0, 0, 0, 1, 0, 0 }, /* PC26 */
138 /* PC25 */ { 0, 0, 0, 1, 0, 0 }, /* PC25 */
139 /* PC24 */ { 0, 0, 0, 1, 0, 0 }, /* PC24 */
140 /* PC23 */ { 0, 1, 0, 1, 0, 0 }, /* ATMTFCLK */
141 /* PC22 */ { 0, 1, 0, 0, 0, 0 }, /* ATMRFCLK */
142 /* PC21 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN RXCLK */
143 /* PC20 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN TXCLK */
144 /* PC19 */ { 1, 1, 0, 0, 0, 0 }, /* FCC2 MII RX_CLK CLK13 */
145 /* PC18 */ { 1, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK14) */
146 /* PC17 */ { 0, 0, 0, 1, 0, 0 }, /* PC17 */
147 /* PC16 */ { 0, 1, 0, 0, 0, 0 }, /* FCC Tx Clock (CLK16) */
148 /* PC15 */ { 1, 1, 0, 0, 0, 0 }, /* PC15 */
149 /* PC14 */ { 0, 1, 0, 0, 0, 0 }, /* SCC1 EN *CD */
150 /* PC13 */ { 0, 0, 0, 1, 0, 0 }, /* PC13 */
151 /* PC12 */ { 0, 1, 0, 1, 0, 0 }, /* PC12 */
152 /* PC11 */ { 0, 0, 0, 1, 0, 0 }, /* LXT971 transmit control */
153 /* PC10 */ { 1, 0, 0, 1, 0, 0 }, /* FETHMDC */
154 /* PC9 */ { 1, 0, 0, 0, 0, 0 }, /* FETHMDIO */
155 /* PC8 */ { 0, 0, 0, 1, 0, 0 }, /* PC8 */
156 /* PC7 */ { 0, 0, 0, 1, 0, 0 }, /* PC7 */
157 /* PC6 */ { 0, 0, 0, 1, 0, 0 }, /* PC6 */
158 /* PC5 */ { 0, 0, 0, 1, 0, 0 }, /* PC5 */
159 /* PC4 */ { 0, 0, 0, 1, 0, 0 }, /* PC4 */
160 /* PC3 */ { 0, 0, 0, 1, 0, 0 }, /* PC3 */
161 /* PC2 */ { 0, 0, 0, 1, 0, 1 }, /* ENET FDE */
162 /* PC1 */ { 0, 0, 0, 1, 0, 0 }, /* ENET DSQE */
163 /* PC0 */ { 0, 0, 0, 1, 0, 0 }, /* ENET LBK */
164 },
165
166 /* Port D */
167 { /* conf ppar psor pdir podr pdat */
168 /* PD31 */ { 1, 1, 0, 0, 0, 0 }, /* SCC1 EN RxD */
169 /* PD30 */ { 1, 1, 1, 1, 0, 0 }, /* SCC1 EN TxD */
170 /* PD29 */ { 1, 1, 0, 1, 0, 0 }, /* SCC1 EN TENA */
171 /* PD28 */ { 0, 1, 0, 0, 0, 0 }, /* PD28 */
172 /* PD27 */ { 0, 1, 1, 1, 0, 0 }, /* PD27 */
173 /* PD26 */ { 0, 0, 0, 1, 0, 0 }, /* PD26 */
174 /* PD25 */ { 0, 0, 0, 1, 0, 0 }, /* PD25 */
175 /* PD24 */ { 0, 0, 0, 1, 0, 0 }, /* PD24 */
176 /* PD23 */ { 0, 0, 0, 1, 0, 0 }, /* PD23 */
177 /* PD22 */ { 0, 0, 0, 1, 0, 0 }, /* PD22 */
178 /* PD21 */ { 0, 0, 0, 1, 0, 0 }, /* PD21 */
179 /* PD20 */ { 0, 0, 0, 1, 0, 0 }, /* PD20 */
180 /* PD19 */ { 0, 0, 0, 1, 0, 0 }, /* PD19 */
181 /* PD18 */ { 0, 0, 0, 1, 0, 0 }, /* PD18 */
182 /* PD17 */ { 0, 1, 0, 0, 0, 0 }, /* FCC1 ATMRXPRTY */
183 /* PD16 */ { 0, 1, 0, 1, 0, 0 }, /* FCC1 ATMTXPRTY */
184 /* PD15 */ { 0, 1, 1, 0, 1, 0 }, /* I2C SDA */
185 /* PD14 */ { 0, 0, 0, 1, 0, 0 }, /* LED */
186 /* PD13 */ { 0, 0, 0, 0, 0, 0 }, /* PD13 */
187 /* PD12 */ { 0, 0, 0, 0, 0, 0 }, /* PD12 */
188 /* PD11 */ { 0, 0, 0, 0, 0, 0 }, /* PD11 */
189 /* PD10 */ { 0, 0, 0, 0, 0, 0 }, /* PD10 */
190 /* PD9 */ { 0, 1, 0, 1, 0, 0 }, /* SMC1 TXD */
191 /* PD8 */ { 0, 1, 0, 0, 0, 0 }, /* SMC1 RXD */
192 /* PD7 */ { 0, 0, 0, 1, 0, 1 }, /* PD7 */
193 /* PD6 */ { 0, 0, 0, 1, 0, 1 }, /* PD6 */
194 /* PD5 */ { 0, 0, 0, 1, 0, 1 }, /* PD5 */
195 /* PD4 */ { 0, 0, 0, 1, 0, 1 }, /* PD4 */
196 /* PD3 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
197 /* PD2 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
198 /* PD1 */ { 0, 0, 0, 0, 0, 0 }, /* pin doesn't exist */
199 /* PD0 */ { 0, 0, 0, 0, 0, 0 } /* pin doesn't exist */
200 }
201};
202
wdenk0ac6f8b2004-07-09 23:27:13 +0000203
204/*
205 * MPC8560ADS Board Status & Control Registers
206 */
207typedef struct bcsr_ {
wdenk42d1f032003-10-15 23:53:47 +0000208 volatile unsigned char bcsr0;
209 volatile unsigned char bcsr1;
210 volatile unsigned char bcsr2;
211 volatile unsigned char bcsr3;
212 volatile unsigned char bcsr4;
213 volatile unsigned char bcsr5;
214} bcsr_t;
215
wdenk9aea9532004-08-01 23:02:45 +0000216
wdenkc837dcb2004-01-20 23:12:12 +0000217int board_early_init_f (void)
wdenk42d1f032003-10-15 23:53:47 +0000218{
wdenk9aea9532004-08-01 23:02:45 +0000219 return 0;
wdenk42d1f032003-10-15 23:53:47 +0000220}
221
222void reset_phy (void)
223{
224#if defined(CONFIG_ETHER_ON_FCC) /* avoid compile warnings for now */
225 volatile bcsr_t *bcsr = (bcsr_t *) CFG_BCSR;
226#endif
227 /* reset Giga bit Ethernet port if needed here */
228
229 /* reset the CPM FEC port */
230#if (CONFIG_ETHER_INDEX == 2)
231 bcsr->bcsr2 &= ~FETH2_RST;
232 udelay(2);
233 bcsr->bcsr2 |= FETH2_RST;
234 udelay(1000);
235#elif (CONFIG_ETHER_INDEX == 3)
236 bcsr->bcsr3 &= ~FETH3_RST;
237 udelay(2);
238 bcsr->bcsr3 |= FETH3_RST;
239 udelay(1000);
240#endif
241#if defined(CONFIG_MII) && defined(CONFIG_ETHER_ON_FCC)
Marian Balakowicz63ff0042005-10-28 22:30:33 +0200242 /* reset PHY */
243 miiphy_reset("FCC1 ETHERNET", 0x0);
244
245 /* change PHY address to 0x02 */
246 bb_miiphy_write(NULL, 0, PHY_MIPSCR, 0xf028);
247
248 bb_miiphy_write(NULL, 0x02, PHY_BMCR,
249 PHY_BMCR_AUTON | PHY_BMCR_RST_NEG);
wdenk42d1f032003-10-15 23:53:47 +0000250#endif /* CONFIG_MII */
251}
252
wdenk9aea9532004-08-01 23:02:45 +0000253
wdenk42d1f032003-10-15 23:53:47 +0000254int checkboard (void)
255{
wdenk97d80fc2004-06-09 00:34:46 +0000256 puts("Board: ADS\n");
wdenk0ac6f8b2004-07-09 23:27:13 +0000257
258#ifdef CONFIG_PCI
259 printf(" PCI1: 32 bit, %d MHz (compiled)\n",
260 CONFIG_SYS_CLK_FREQ / 1000000);
261#else
262 printf(" PCI1: disabled\n");
263#endif
wdenk9aea9532004-08-01 23:02:45 +0000264
265 /*
266 * Initialize local bus.
267 */
268 local_bus_init();
269
wdenk97d80fc2004-06-09 00:34:46 +0000270 return 0;
wdenk42d1f032003-10-15 23:53:47 +0000271}
272
273
wdenk0ac6f8b2004-07-09 23:27:13 +0000274long int
275initdram(int board_type)
wdenk42d1f032003-10-15 23:53:47 +0000276{
277 long dram_size = 0;
278 extern long spd_sdram (void);
wdenk0ac6f8b2004-07-09 23:27:13 +0000279
280 puts("Initializing\n");
wdenk97d80fc2004-06-09 00:34:46 +0000281
wdenk42d1f032003-10-15 23:53:47 +0000282#if defined(CONFIG_DDR_DLL)
wdenk0ac6f8b2004-07-09 23:27:13 +0000283 {
Kumar Galaf59b55a2007-11-27 23:25:02 -0600284 volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
wdenk9aea9532004-08-01 23:02:45 +0000285 uint temp_ddrdll = 0;
wdenk42d1f032003-10-15 23:53:47 +0000286
wdenk9aea9532004-08-01 23:02:45 +0000287 /*
288 * Work around to stabilize DDR DLL
289 */
290 temp_ddrdll = gur->ddrdllcr;
291 gur->ddrdllcr = ((temp_ddrdll & 0xff) << 16) | 0x80000000;
292 asm("sync;isync;msync");
wdenk0ac6f8b2004-07-09 23:27:13 +0000293 }
wdenk42d1f032003-10-15 23:53:47 +0000294#endif
295
296#if defined(CONFIG_SPD_EEPROM)
297 dram_size = spd_sdram ();
298#else
299 dram_size = fixed_sdram ();
300#endif
301
Jon Loeligerd9b94f22005-07-25 14:05:07 -0500302#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
wdenk0ac6f8b2004-07-09 23:27:13 +0000303 /*
304 * Initialize and enable DDR ECC.
305 */
306 ddr_enable_ecc(dram_size);
307#endif
308
309 /*
310 * Initialize SDRAM.
311 */
312 sdram_init();
313
314 puts(" DDR: ");
315 return dram_size;
316}
317
318
319/*
wdenk9aea9532004-08-01 23:02:45 +0000320 * Initialize Local Bus
wdenk0ac6f8b2004-07-09 23:27:13 +0000321 */
322
wdenk9aea9532004-08-01 23:02:45 +0000323void
324local_bus_init(void)
wdenk0ac6f8b2004-07-09 23:27:13 +0000325{
Kumar Galaf59b55a2007-11-27 23:25:02 -0600326 volatile ccsr_gur_t *gur = (void *)(CFG_MPC85xx_GUTS_ADDR);
Kumar Gala04db4002007-11-29 02:10:09 -0600327 volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
wdenk0ac6f8b2004-07-09 23:27:13 +0000328
wdenk9aea9532004-08-01 23:02:45 +0000329 uint clkdiv;
330 uint lbc_hz;
331 sys_info_t sysinfo;
wdenk0ac6f8b2004-07-09 23:27:13 +0000332
333 /*
wdenk9aea9532004-08-01 23:02:45 +0000334 * Errata LBC11.
335 * Fix Local Bus clock glitch when DLL is enabled.
wdenk0ac6f8b2004-07-09 23:27:13 +0000336 *
wdenk9aea9532004-08-01 23:02:45 +0000337 * If localbus freq is < 66Mhz, DLL bypass mode must be used.
338 * If localbus freq is > 133Mhz, DLL can be safely enabled.
339 * Between 66 and 133, the DLL is enabled with an override workaround.
wdenk0ac6f8b2004-07-09 23:27:13 +0000340 */
wdenk9aea9532004-08-01 23:02:45 +0000341
342 get_sys_info(&sysinfo);
343 clkdiv = lbc->lcrr & 0x0f;
344 lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
345
346 if (lbc_hz < 66) {
347 lbc->lcrr = CFG_LBC_LCRR | 0x80000000; /* DLL Bypass */
348
349 } else if (lbc_hz >= 133) {
350 lbc->lcrr = CFG_LBC_LCRR & (~0x80000000); /* DLL Enabled */
wdenk0ac6f8b2004-07-09 23:27:13 +0000351
wdenk42d1f032003-10-15 23:53:47 +0000352 } else {
wdenk0ac6f8b2004-07-09 23:27:13 +0000353 /*
354 * On REV1 boards, need to change CLKDIV before enable DLL.
355 * Default CLKDIV is 8, change it to 4 temporarily.
356 */
wdenk9aea9532004-08-01 23:02:45 +0000357 uint pvr = get_pvr();
wdenk0ac6f8b2004-07-09 23:27:13 +0000358 uint temp_lbcdll = 0;
wdenk97d80fc2004-06-09 00:34:46 +0000359
360 if (pvr == PVR_85xx_REV1) {
wdenk9aea9532004-08-01 23:02:45 +0000361 /* FIXME: Justify the high bit here. */
wdenk0ac6f8b2004-07-09 23:27:13 +0000362 lbc->lcrr = 0x10000004;
wdenk97d80fc2004-06-09 00:34:46 +0000363 }
wdenk0ac6f8b2004-07-09 23:27:13 +0000364
wdenk9aea9532004-08-01 23:02:45 +0000365 lbc->lcrr = CFG_LBC_LCRR & (~0x80000000);/* DLL Enabled */
366 udelay(200);
367
368 /*
369 * Sample LBC DLL ctrl reg, upshift it to set the
370 * override bits.
371 */
wdenk42d1f032003-10-15 23:53:47 +0000372 temp_lbcdll = gur->lbcdllcr;
wdenk9aea9532004-08-01 23:02:45 +0000373 gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000);
374 asm("sync;isync;msync");
wdenk42d1f032003-10-15 23:53:47 +0000375 }
wdenk9aea9532004-08-01 23:02:45 +0000376}
377
378
379/*
380 * Initialize SDRAM memory on the Local Bus.
381 */
382
383void
384sdram_init(void)
385{
Kumar Gala04db4002007-11-29 02:10:09 -0600386 volatile ccsr_lbc_t *lbc = (void *)(CFG_MPC85xx_LBC_ADDR);
wdenk9aea9532004-08-01 23:02:45 +0000387 uint *sdram_addr = (uint *)CFG_LBC_SDRAM_BASE;
388
389 puts(" SDRAM: ");
390 print_size (CFG_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
wdenk0ac6f8b2004-07-09 23:27:13 +0000391
392 /*
393 * Setup SDRAM Base and Option Registers
394 */
395 lbc->or2 = CFG_OR2_PRELIM;
wdenk42d1f032003-10-15 23:53:47 +0000396 lbc->br2 = CFG_BR2_PRELIM;
397 lbc->lbcr = CFG_LBC_LBCR;
wdenk9aea9532004-08-01 23:02:45 +0000398 asm("msync");
wdenk0ac6f8b2004-07-09 23:27:13 +0000399
wdenk42d1f032003-10-15 23:53:47 +0000400 lbc->lsrt = CFG_LBC_LSRT;
wdenk42d1f032003-10-15 23:53:47 +0000401 lbc->mrtpr = CFG_LBC_MRTPR;
wdenk9aea9532004-08-01 23:02:45 +0000402 asm("sync");
wdenk0ac6f8b2004-07-09 23:27:13 +0000403
404 /*
405 * Configure the SDRAM controller.
406 */
407 lbc->lsdmr = CFG_LBC_LSDMR_1;
wdenk9aea9532004-08-01 23:02:45 +0000408 asm("sync");
wdenk0ac6f8b2004-07-09 23:27:13 +0000409 *sdram_addr = 0xff;
wdenk9aea9532004-08-01 23:02:45 +0000410 ppcDcbf((unsigned long) sdram_addr);
411 udelay(100);
wdenk0ac6f8b2004-07-09 23:27:13 +0000412
413 lbc->lsdmr = CFG_LBC_LSDMR_2;
wdenk9aea9532004-08-01 23:02:45 +0000414 asm("sync");
wdenk0ac6f8b2004-07-09 23:27:13 +0000415 *sdram_addr = 0xff;
wdenk9aea9532004-08-01 23:02:45 +0000416 ppcDcbf((unsigned long) sdram_addr);
417 udelay(100);
wdenk0ac6f8b2004-07-09 23:27:13 +0000418
419 lbc->lsdmr = CFG_LBC_LSDMR_3;
wdenk9aea9532004-08-01 23:02:45 +0000420 asm("sync");
wdenk0ac6f8b2004-07-09 23:27:13 +0000421 *sdram_addr = 0xff;
wdenk9aea9532004-08-01 23:02:45 +0000422 ppcDcbf((unsigned long) sdram_addr);
423 udelay(100);
wdenk0ac6f8b2004-07-09 23:27:13 +0000424
425 lbc->lsdmr = CFG_LBC_LSDMR_4;
wdenk9aea9532004-08-01 23:02:45 +0000426 asm("sync");
wdenk0ac6f8b2004-07-09 23:27:13 +0000427 *sdram_addr = 0xff;
wdenk9aea9532004-08-01 23:02:45 +0000428 ppcDcbf((unsigned long) sdram_addr);
429 udelay(100);
wdenk0ac6f8b2004-07-09 23:27:13 +0000430
431 lbc->lsdmr = CFG_LBC_LSDMR_5;
wdenk9aea9532004-08-01 23:02:45 +0000432 asm("sync");
wdenk0ac6f8b2004-07-09 23:27:13 +0000433 *sdram_addr = 0xff;
wdenk9aea9532004-08-01 23:02:45 +0000434 ppcDcbf((unsigned long) sdram_addr);
435 udelay(100);
wdenk42d1f032003-10-15 23:53:47 +0000436}
437
438
439#if defined(CFG_DRAM_TEST)
440int testdram (void)
441{
442 uint *pstart = (uint *) CFG_MEMTEST_START;
443 uint *pend = (uint *) CFG_MEMTEST_END;
444 uint *p;
445
446 printf("SDRAM test phase 1:\n");
447 for (p = pstart; p < pend; p++)
448 *p = 0xaaaaaaaa;
449
450 for (p = pstart; p < pend; p++) {
451 if (*p != 0xaaaaaaaa) {
452 printf ("SDRAM test fails at: %08x\n", (uint) p);
453 return 1;
454 }
455 }
456
457 printf("SDRAM test phase 2:\n");
458 for (p = pstart; p < pend; p++)
459 *p = 0x55555555;
460
461 for (p = pstart; p < pend; p++) {
462 if (*p != 0x55555555) {
463 printf ("SDRAM test fails at: %08x\n", (uint) p);
464 return 1;
465 }
466 }
467
468 printf("SDRAM test passed.\n");
469 return 0;
470}
471#endif
472
wdenk0ac6f8b2004-07-09 23:27:13 +0000473
wdenk42d1f032003-10-15 23:53:47 +0000474#if !defined(CONFIG_SPD_EEPROM)
475/*************************************************************************
476 * fixed sdram init -- doesn't use serial presence detect.
477 ************************************************************************/
478long int fixed_sdram (void)
479{
480 #ifndef CFG_RAMBOOT
Kumar Gala04db4002007-11-29 02:10:09 -0600481 volatile ccsr_ddr_t *ddr= (void *)(CFG_MPC85xx_DDR_ADDR);
wdenk42d1f032003-10-15 23:53:47 +0000482
483 ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
484 ddr->cs0_config = CFG_DDR_CS0_CONFIG;
485 ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
486 ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
487 ddr->sdram_mode = CFG_DDR_MODE;
488 ddr->sdram_interval = CFG_DDR_INTERVAL;
489 #if defined (CONFIG_DDR_ECC)
490 ddr->err_disable = 0x0000000D;
491 ddr->err_sbe = 0x00ff0000;
492 #endif
493 asm("sync;isync;msync");
494 udelay(500);
495 #if defined (CONFIG_DDR_ECC)
496 /* Enable ECC checking */
497 ddr->sdram_cfg = (CFG_DDR_CONTROL | 0x20000000);
498 #else
499 ddr->sdram_cfg = CFG_DDR_CONTROL;
500 #endif
501 asm("sync; isync; msync");
502 udelay(500);
503 #endif
wdenk0ac6f8b2004-07-09 23:27:13 +0000504 return CFG_SDRAM_SIZE * 1024 * 1024;
wdenk42d1f032003-10-15 23:53:47 +0000505}
506#endif /* !defined(CONFIG_SPD_EEPROM) */
wdenk9aea9532004-08-01 23:02:45 +0000507
508
509#if defined(CONFIG_PCI)
510/*
511 * Initialize PCI Devices, report devices found.
512 */
513
514#ifndef CONFIG_PCI_PNP
515static struct pci_config_table pci_mpc85xxads_config_table[] = {
516 { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
517 PCI_IDSEL_NUMBER, PCI_ANY_ID,
518 pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
519 PCI_ENET0_MEMADDR,
520 PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER
521 } },
522 { }
523};
524#endif
525
526
527static struct pci_controller hose = {
528#ifndef CONFIG_PCI_PNP
529 config_table: pci_mpc85xxads_config_table,
530#endif
531};
532
533#endif /* CONFIG_PCI */
534
535
536void
537pci_init_board(void)
538{
539#ifdef CONFIG_PCI
wdenk9aea9532004-08-01 23:02:45 +0000540 pci_mpc85xx_init(&hose);
541#endif /* CONFIG_PCI */
542}
Matthew McClintock0e163872006-06-28 10:43:36 -0500543
544
Kumar Gala5ce71582007-11-28 22:40:31 -0600545#if defined(CONFIG_OF_BOARD_SETUP)
Andy Flemingccc091a2007-05-08 17:27:43 -0500546void
Matthew McClintock0e163872006-06-28 10:43:36 -0500547ft_board_setup(void *blob, bd_t *bd)
548{
Kumar Gala5ce71582007-11-28 22:40:31 -0600549 int node, tmp[2];
550 const char *path;
551
Matthew McClintock0e163872006-06-28 10:43:36 -0500552 ft_cpu_setup(blob, bd);
Kumar Gala5ce71582007-11-28 22:40:31 -0600553
554 node = fdt_path_offset(blob, "/aliases");
555 tmp[0] = 0;
556 if (node >= 0) {
557#ifdef CONFIG_PCI
558 path = fdt_getprop(blob, node, "pci0", NULL);
559 if (path) {
560 tmp[1] = hose.last_busno - hose.first_busno;
561 do_fixup_by_path(blob, path, "bus-range", &tmp, 8, 1);
562 }
563#endif
564 }
Matthew McClintock0e163872006-06-28 10:43:36 -0500565}
566#endif